249 results about "Desertification" patented technology

The invention discloses coal gangue-based artificial ecological soil and a preparation method and application thereof, and belongs to the technical field of ecological improvement, the coal gangue-based artificial ecological soil comprises crushed coal gangue and a compound microbial agent, and the compound microbial agent comprises a microbial activating agent and a microbial passivating agent. According to the invention, the coal gangue can be quickly decomposed through the microbial activating agent, useful mineral elements in the coal gangue can be fully activated and analyzed, and the effect of activating a nutrient library in the coal gangue is achieved, so that useful trace elements contained in the coal gangue are effectively released and are easily absorbed by plant growth; meanwhile, harmful heavy metal elements in the coal gangue are passivated through the microbial passivating fungicide, the water-retaining property and the air permeability of the soil are guaranteed by controlling the decomposition particle size proportion of the coal gangue, the soil conditioner can be used for ecological restoration, desert control, agriculture and animal husbandry planting, flower and nursery planting and urban landscaping, the effects of improving the soil and promoting plant growth are achieved, and the soil conditioner is suitable for large-scale popularization and application. The application is wide.

The invention provides a desertification monitoring grading and vegetation extraction method and system, and relates to the field of desertification remote sensing monitoring and ecological assessment, and the method comprises the steps: selecting a multi-temporal satellite image and an unmanned aerial vehicle image which cover a full research region according to a preset condition, and carrying out the data preprocessing of the multi-temporal satellite image and the unmanned aerial vehicle image; the method comprises the following steps: constructing a desertification difference index by fitting a feature space of a vegetation index and a surface albedo by using a multi-temporal satellite image, grading the desertification degree of a research area to obtain a grading result, and locking a key monitoring area in the research area according to the grading result; a vegetation sample image of a key monitoring area is obtained from an unmanned aerial vehicle image, HSL color space conversion and hue optimization processing are carried out on the vegetation sample image, and a normalized vegetation index based on HSL is constructed, so that vegetation information of the key monitoring area is finely extracted, a key desertification disaster area is effectively positioned, and the accuracy of the desertification disaster area is improved. And vegetation information in the region is finely extracted.

The invention discloses a desertification monitoring method and system based on multi-source remote sensing data fusion, and the method comprises the steps: carrying out the weighted scoring of multi-source satellite remote sensing data according to the spectrum, cloud coverage and time resolution, and automatically switching to a data source with a higher priority when the score is lower than a threshold value. Thirdly, performing initial segmentation on the image by using a multi-scale segmentation algorithm in combination with spectrum and texture features, optimizing boundaries through a region growing algorithm, and merging regions with small spectrum differences into desertification plaques; and extracting construction land expansion and agricultural activity intensity indexes from the time series data, and establishing a quantitative relation model with desertification plaque change. And adopting a Kriging space-time interpolation algorithm for missing data to generate a continuous curved surface. And finally, fusing a multi-period segmentation result and human factor data, and outputting a desertification boundary dynamic change diagram and a human influence weight distribution diagram. According to the invention, accurate monitoring of the desertification process and quantitative evaluation of human influence are realized, and a scientific basis is provided for desertification control.

The invention provides a photovoltaic power generation system with desertification prevention and control functions, and belongs to the technical field of photovoltaics. The system comprises a modular photovoltaic array unit used for converting light energy into electric energy; the three-dimensional support system is used for dynamically adjusting the height and the angle of the modular photovoltaic array unit; the sand and dust cleaning system is used for cleaning sand and dust attached to the surfaces of the modularized photovoltaic array units; the vegetation planting unit forms a sand stabilization vegetation zone around the three-dimensional support system; and the intelligent control system is used for dynamically controlling the three-dimensional bracket system, the sand and dust cleaning system and the vegetation planting unit through the automatic adjusting module according to the environmental data monitored by the environmental monitoring module. According to the invention, the photovoltaic array, the dynamic support, the sand and dust cleaning unit and the vegetation planting unit are integrated, and the cooperative operation of each part is realized by means of intelligent control, so that the system adapts to the complex environment of the sand area, the power generation efficiency is guaranteed, the cooperative interaction of photovoltaic power generation and sand prevention and control is realized, and the coordinated development of ecology and energy is promoted.

Provided is a method for determining a proper plant spacing for vegetation ecological restoration in an arid region. The method includes the following steps: step 1, acquiring soil parameters and soil water parameters in a survey region; step 2, determining vegetation parameters for the survey region; step 3, collecting hydrological data of the survey region; step 4, determining a transpiration of a dominant plant species in a vegetation community of the survey region; step 5, calculating a thickness of a shallow groundwater action layer in the survey region; step 6, determining a thickness of an available water absorption layer; step 7, determining a water content within the thickness of the available water absorption layer; and step 8, determining the proper plant spacing for a vegetation. The method can effectively solve the problem of desertification of oases in arid regions.

The invention discloses a grassland desertification intelligent closed-loop management method and system based on multi-source remote sensing, and belongs to the technical field of ecological restoration and intelligent decision making. According to the method, technical breakthrough is realized by constructing an intelligent closed loop of perception, cognition, decision and optimization: firstly, multi-source data are fused to construct a dynamic ecological knowledge graph, and a desertification cause diagnosis report for quantifying the contribution rate of each driving factor is generated based on graph reasoning; calling a governance measure knowledge base to generate a scheme according to a diagnosis result, and optimizing a decision through digital twinborn rehearsal; finally, based on treatment effect feedback, the knowledge base is dynamically optimized through reinforcement learning; the corresponding system comprises a multi-source perception fusion module, an ecological cognitive diagnosis module, a decision rehearsal execution module and a self-learning optimization module. According to the method, the bottleneck of lack of causal diagnosis and system stiffness of a traditional method is overcome, the crossing from passive monitoring to active cognition and from static decision to dynamic self-learning is realized, and an innovative solution is provided for treatment of a degraded ecological system.

The invention relates to the technical field of environmental monitoring, and discloses a photovoltaic and desertification collaborative three-dimensional monitoring system, which realizes ecological and photovoltaic collaborative monitoring through multi-dimensional data acquisition and fusion analysis. The system comprises an Internet of Things sensor, a remote sensing image, an unmanned aerial vehicle and a meteorological monitoring station module, can obtain soil, vegetation, weather and photovoltaic operation data in real time, and enriches monitoring dimensions in combination with manual feedback and professional testing; the optimally designed pre-embedded component enhances the equipment stability in the desertification area, the structure capable of being stored protects the sensor from being damaged by strong wind, and the power supply efficiency is improved by adjusting the angle of the solar panel; the system realizes the precision of ecological management, the high efficiency of photovoltaic operation and the visualization of collaborative development, and provides data support and decision basis for the collaborative development of photovoltaic and desert ecology.

The invention belongs to the technical field of vegetation planting in a photovoltaic desertification control environment, and discloses a vegetation planting priority recommendation method in the photovoltaic desertification control environment. According to the method, the photovoltaic shielding influence and ecological restoration urgency are comprehensively considered, and the area which does not influence the generating capacity and is urgently needed to be restored can be accurately screened out during secondary reseeding. The problem that the power generation efficiency is reduced or ecological restoration is not timely due to improper region selection during secondary reseeding is solved, and the dual goals of photovoltaic and desertification control are effectively balanced. And on the basis of micro-environment feature clustering, region types are accurately divided, and an accurate environment adaptation basis is provided for plant selection during secondary replanting. The plant survival rate is greatly improved, and the ecological effect of secondary reseeding is ensured. By combining the growth performance, the economic cost and the sand stabilization benefits, the optimal plant species are matched for different region types during secondary replanting. Considering the change of the regional environment during secondary replanting, the recommended plant species are more adaptive, and the desertification control efficiency is significantly improved.

Disclosed in the present invention is an ecological photovoltaic-based desertification control device, comprising a bottom photovoltaic support, an intermediate collecting frame, and an upper photovoltaic module. The intermediate collecting frame is correspondingly mounted on the bottom photovoltaic support, so that the intermediate collecting frame is arranged in an inclined direction, the upper photovoltaic module is correspondingly mounted on the intermediate collecting frame by means of supporting rods, and the inclination angle of the upper photovoltaic module is consistent with that of the intermediate collecting frame; and the size of the intermediate collecting frame is larger than that of the upper photovoltaic module locate above same, so that a rain falling gap is formed around the outer side of the upper photovoltaic module, and rainwater flowing down from the upper photovoltaic module falls into the intermediate collecting frame from the rain falling gap and is used for ecological desertification control. In the present invention, rainwater can be received in a large range, the water storage amount is large, and rainwater can be efficiently collected; and a flippable filter screen is provided, so that debris and dust and the like in rainwater can be filtered out, and the flippable filter screen can flip, so that whether impurities on the flippable filter screen or impurities in the intermediate collecting frame, etc. can be conveniently removed.

The invention provides a mountain freeze-thaw desertification early warning method and related equipment. The method comprises the following steps: acquiring thermal neutron intensity and epithermal neutron intensity of a target area; based on a target intensity ratio and a pre-obtained empirical fitting parameter set, target parameters are determined, and the target intensity ratio is the ratio of the thermal neutron intensity to the epithermal neutron intensity of the target area; determining a target moisture content according to the target parameter and the thermal neutron intensity or epithermal neutron intensity of the target area; and when the target moisture content is lower than a preset critical soil moisture threshold value, carrying out mountain freeze-thaw desertification early warning. Soil moisture is inverted through a cosmic ray neutron detection technology, environmental interference factors such as a non-soil water hydrogen source are corrected, local soil moisture of different vegetation types and soil types is accurately captured, freeze-thaw desertification is judged in combination with a critical soil moisture threshold, and early warning is given.

The invention relates to a sand-fixing and water-retaining agent and a method for preventing and repairing grassland desertification by using the same. The sand-fixing and water-retaining agent is mainly prepared by compounding the following components: polyglutamic acid, a compound biological enzyme preparation and compound vitamins. The method comprises the following steps: (1) enclosing: enclosing a potential desertification grassland area and forbidding grazing; (2) spraying a water-retaining agent and sowing grass seeds: blending the sand-fixing and water-retaining agent with water according to the size of a potential desertification grassland area in summer of the first year, and immediately sowing the grass seeds after spraying operation; and (3) recuperating: repeating the operation of the step (2) within 2-4 years from the next year, and reseeding grass seeds in an area which is not recovered in the previous year. The sand-fixing and water-retaining agent is friendly to grassland environment, harmless to animals and plants and low in cost. The method disclosed by the invention is simple and convenient to operate, the pasture grows and recovers quickly, and the purpose of preventing grassland desertification is achieved.

The invention provides a method for detecting the carbon sequestration amount of soil biochar, which specifically comprises the following steps: averagely distributing sample soil to obtain a plurality of groups of group soil; applying biochar and bacterial fertilizer to each group of soil to obtain experimental soil; respectively taking out corresponding unplanted sample soil from each piece of experimental soil; plants are planted in each group of experimental soil meeting the plant planting requirements; taking out planting sample soil from each group of experimental soil every preset sampling period; performing carbon content and element content detection on a plurality of unplanted sample soils and a plurality of planted sample soils corresponding to each group of experimental soils to obtain a total carbon content, an organic carbon content and an element content corresponding to each group of experimental soils so as to determine the charcoal carbon sequestration amount of the sample soils, the optimal biochar addition amount is determined, appropriate crop varieties are selected, matched cultivation management measures are formulated, and scientific guidance is provided for efficient improvement and sustainable utilization of desertification soil.

The invention provides a method for preventing and controlling nitrogen and phosphorus loss of sandy and dry cultivated land based on EICP root reinforcement and relates to the field of soil ecological protection and agricultural pollution prevention and control. According to the method, a three-dimensional prevention and control system is formed from the two dimensions of surface layer film covering protection and deep root system soil fixation through the synergistic effect of EICP film covering and local plant root system three-dimensional reinforcement, wind erosion and water erosion are effectively resisted, the soil nitrogen and phosphorus loss rate of the large-gradient sandy and dry cultivated land is remarkably reduced, and meanwhile the soil desertification process is slowed down; the EICP film covering layer has good water permeability and moisture retention, nitrogen and phosphorus loss can be prevented, rainfall infiltration and soil moisture conservation can be guaranteed, and the germination rate and the growth speed of crops are increased; according to the method, local crop root system reinforcement is selected, the original planting structure is not disturbed, the economic benefit of cultivated land yield per mu is guaranteed, a harmless means of combining microorganisms, geotechnical engineering and agricultural planting is adopted, external pollution sources are not introduced, original basic characteristics of soil are not damaged, and the requirement for ecological protection of the Yellow River basin is met.

The invention discloses a grassland desertification multispectral remote sensing monitoring system and method, and relates to the technical field of remote sensing images, the system comprises the following components: a time sequence image preprocessing registration module, a pixel level phenological trajectory construction module, a healthy grassland phenological baseline modeling module, a trajectory collaborative comparison module and a desertification dynamic quantification module; the corresponding monitoring method sequentially comprises the five steps of time sequence image preprocessing and registration, pixel-level phenological trajectory construction, healthy grassland phenological baseline modeling, trajectory collaborative comparison and desertification dynamic quantification. According to the method, the monitoring refinement degree is improved, multi-spectral time sequence remote sensing images are collected to construct a pixel-by-pixel phenological track, a layered structured phenological baseline model is combined, the native growth rules of different pixels are truly restored, pixel scale monitoring is deepened, and data support is provided for desertification feature analysis; desertification comprehensive judgment and dynamic quantification are achieved, desertification grades are divided, technical support is provided for desertification prevention and control work, and the decision-making efficiency and the implementation effect are improved.

The invention discloses a flexible support photovoltaic-based water collection and storage and intelligent micro-irrigation system, and relates to the technical field of ecological water conservancy projects and intelligent agriculture. In order to solve the practical problems of large rainfall season distribution difference, serious underground leakage and poor surface water retention capacity in a karst region and solve the problem of engineering water shortage faced by regional ecological restoration, the following technical scheme is provided: a water collection and storage and intelligent micro-irrigation system based on flexible bracket photovoltaic; comprising a photovoltaic panel water collection system, a stepped water storage system, a two-way water diversion system, a partitioned micro-irrigation system and a wireless intelligent control system, the photovoltaic panel water collecting system is used for collecting rainfall of the flexible photovoltaic array panel. According to the intelligent irrigation system, water is collected through the photovoltaic panel of the flexible support, and the temperature and humidity of soil in an irrigation area are monitored in real time, so that intelligent irrigation of the stony desertification sloping field is achieved.

The invention discloses a desert area drought-enduring plant community integrated construction method, and the method comprises the steps: obtaining soil desertification degree distribution data and environment dynamic data of a target desert area, and carrying out the region division; constructing a drought-enduring plant community space configuration model of each region; carrying out multi-dimensional ecological data monitoring, and constructing a soil desertification dynamic change matrix; predicting the future desertification trend of each region; and dynamically adjusting a plant community configuration strategy. According to the method, the success rate and sustainability of vegetation restoration in the desert area are remarkably improved, the self-restoration process of an ecological system is accelerated, and the ecological restoration cost is reduced.

The invention relates to the technical field of soil improvement and ecological restoration, and discloses a liquorice planting method based on synergistic utilization of coal-based solid waste and desertified land, which comprises the following steps: crushing alkaline coal-based solid waste and acidic coal-based solid waste, mixing according to a mass ratio of 2: 8-4: 6, adding a modified humic acid-based heavy metal passivator and water, and uniformly mixing to obtain a mixture; uniformly mixing and aging to obtain a coal-based solid waste mixture; spreading the mixture on the surface layer of the desertification land, performing rotary tillage and deep tillage to mix the mixture with the sandy soil, and adjusting the pH value to be stable at 7.5-8.5; the treated liquorice seeds are sown, main roots are harvested in autumn of the third year, deep root systems and lateral root bud points are reserved, and overground straw is smashed and returned to the field; soil nutrition indexes are monitored regularly, other commercial crops are planted when the soil nutrition indexes reach a set threshold value, and if not, regeneration planting of the liquorice is maintained. Through synergistic compounding of acid-base solid waste and chelating of the passivating agent, substrate pH self-regulation and heavy metal resistance control are achieved, and the physicochemical property of sandy soil is improved.

The application discloses a fly ash-based sand-fixing system, a sand-fixing method and application. The sand-fixing system comprises fly ash-based sand-fixing particles, a fly ash-based sand-fixing plate device and a fly ash-based sand-fixing agent; the fly ash-based sand-fixing particles are laid on a sand surface layer and used for slowing down wind speed and intercepting floating sand; the fly ash-based sand-fixing plate device comprises a plate body and a fixing member, the plate body is perpendicular to a main wind direction, and the fixing member is used for achieving detachable splicing of adjacent plate bodies, so as to form a three-dimensional grid protection structure and block wind sand migration; and the fly ash-based sand-fixing agent is applied to the sand surface layer to form a consolidated layer and consolidate the surface sand body. The fly ash-based sand-fixing particles, the fly ash-based sand-fixing plate device and the fly ash-based sand-fixing agent are cooperated to form an initial stable layer, a physical barrier and a consolidated layer, and the sand-fixing system has the advantages of high strength, environmental protection, long-term effect and economy and is suitable for rapid treatment of desertification land.

The application discloses a kind of based on remote sensing cloud computing's regional desertification automatic monitoring method, comprising: obtaining target area time series multispectral remote sensing image, extracting vegetation index and surface albedo;Based on composite ground object identification rule, eliminate non-target ground object pixel, construct basic sampling pixel set;Based on spatial homogeneity verification mechanism, sample extraction effective fitting sample set;The sample set is segmented and is statistically processed and is regressed, extracts two-dimensional characteristic space's dry side equation and wet side equation;Calculate the spatial geometric relative distance of each reserved pixel to dry and wet double sides, combined with the out-of-bound physical constraint truncation mechanism processing obtains relative desertification difference index;Based on the index, divide desertification grade.The present application overcomes the defect that extreme value fitting is fragile and threshold generalization fails, and realizes high-precision automatic monitoring.

The utility model discloses a water and soil conservation vegetation cover support technical field's water and soil conservation vegetation cover support, including vegetation cover framework, vegetation cover framework is by multiple green planting unit, and green planting unit includes hexagonal base, and the middle part of hexagonal base is provided with soil filling cylinder, and both sides of hexagonal base all are installed with positioning clamping plate, and the both sides of hexagonal base away from positioning clamping plate are set up with positioning clamping groove respectively, and the structure design of the scheme can be assembled and form adjustment according to the relief and irregular characteristics of desertification land flexibly through the clamping cooperation between positioning clamping groove and positioning clamping plate, realizes the quick construction of whole vegetation cover framework, and this kind of flexible splicing mode not only has improved the adaptability of vegetation cover support to complex landform, has guaranteed sand -fixing green plant to be able to grow stably under various topographic conditions, but also has strengthened the effect of wind -proof sand -fixing, has solved the limitation that traditional integration net -like support is difficult to match irregular topography.

The invention discloses a desertified soil restoration method based on microorganism mineralization induction and moss-algae crust, which comprises the following steps: crushing soybeans, and dissolving the crushed soybeans in water to obtain a soybean urease crude extract; adding desert green algae and drought-enduring moss into the cementing liquid prepared from the travertine for later use; the algae crust cementing liquid is obtained; the method comprises the following steps: preparing a soybean urease crude extracting solution, uniformly mixing the soybean urease crude extracting solution with desertification soil needing to be recovered, adding a moss-algae crust cementing solution into the surface layer of the mixed desertification soil, and curing for a period of time to realize the solidification of the desertification soil and the moss-algae crust on the surface layer. On the basis of microorganism mineralization induced sand stabilization, the bryophyllum crust is further applied to the soil surface to enhance the compressive strength of the soil surface, so that the strength of the desertification soil can be effectively recovered, and meanwhile, the bryophyllum crust also enables the desertification soil to be covered by moss and algae again, and the nutrients and environment of the soil are recovered.

The invention discloses a broccoli cultivation method suitable for open-air cultivation in coastal saline-alkali soil, and belongs to the technical field of vegetable planting in saline-alkali soil. According to the broccoli cultivation method suitable for open-air cultivation in the coastal saline-alkali soil, broccoli can be successfully produced in the coastal saline-alkali soil, the highest balling rate can reach 98.72%, and the diameter uniformity of flower balls is high; the method has clear steps, can be reasonably adjusted according to saline-alkali parameters of the saline-alkali soil, can be applied in a large scale, and has important significance for improving the regional ecological environment, effectively restraining the desertification risk, promoting ecological protection of the Yellow River basin, driving agricultural structure adjustment and increasing the income of farmers.

This invention relates to the field of desertification control technology, specifically to a collaborative layout optimization system and method for sand barrier aerial seeding based on UAV swarm game theory. It constructs a digital model of the microenvironment (topography, wind field, humidity, temperature) through a multimodal desert microenvironment perception module, and combines this model with a sand barrier-vegetation coupled dynamic model. This achieves a spatiotemporal correlation between sand barrier configuration and vegetation growth. An adaptive sand barrier parameter optimization module and a precise seed aerial seeding control module work collaboratively to optimize seed placement, significantly improving sand fixation efficiency and vegetation survival rate to 60%–75%, shortening the control cycle to 1.5–2.5 years. A closed-loop feedback and dynamic optimization module further ensures continuous improvement in control effectiveness, transforming the traditional "sand-blocking" strategy into an "ecological microenvironment engineering" approach. This constructs a complete microenvironment regulation mechanism, not only improving control efficiency by 35%–50% but also achieving a fundamental transformation in the control philosophy.

The invention relates to a preparation method and application of low-cost water and fertilizer slow-release functional hydrogel, and belongs to the technical field of new environment-friendly materials.The preparation method comprises the steps that polyacrylonitrile-containing acrylic old clothes and animal bones are smashed, then subjected to compression molding, pre-oxidized in an air atmosphere and finally subjected to a hydrothermal reaction, and the low-cost hydrogel is obtained. The prepared low-cost hydrogel is high in water content, durable in water retention, rich in nitrogen, phosphorus, potassium and other elements necessary for plant growth, long in water and fertilizer slow release time and used for desert control and greening. According to the method, waste such as old clothes and waste bones which are difficult to degrade in the natural environment is prepared into the hydrogel material suitable for plant growth, and the hydrogel material is used for desert greening and desertification control, has economic significance and environmental significance and is relatively feasible.

The invention relates to the technical field of soil desertification treatment, and particularly provides a biological soil crust growth method suitable for desertification land, which specifically comprises the following steps: step 1, adopting local clay with specific clay content, airing, crushing, preparing slurry, and preparing a clay sand barrier unit; step 2, screening suitable sand-fixing plant seeds, performing disinfection and germination accelerating treatment, and sowing the seeds in a specific mode in a sand barrier in a suitable season; 3, by means of the synergistic effect of the clay sand barrier and the sand stabilization plants, later complex management and protection are not needed, biological soil crust can be rapidly formed within 3-4 years, sand barrier self-maintenance and plant self-maintenance growth are achieved, the sand control cost and labor intensity are effectively reduced, water and soil loss is reduced, the vegetation coverage rate and the ecological system stability are improved, and the method is suitable for large-scale popularization and application. The problem of traditional desertification control is precisely solved, and efficient treatment and sustainable ecological restoration of desertified land are promoted.

The invention relates to the technical field of natural resource protection and ecological system management, and discloses a method and a system for constructing a three-dimensional dynamic model of forest grass wet and waste areas based on digital twinning, and the method comprises the steps: obtaining multispectral image data and environment readings of forest, grassland, wetland and desert areas; performing feature data primary processing to obtain vegetation coverage information and environment variable data; performing species distribution boundary labeling to obtain a species distribution boundary; performing pattern correlation analysis to obtain a preliminary relation matrix; if the association strength of the water level parameter and the desertification parameter in the preliminary relation matrix is higher than a preset strength threshold value, calculating a correction coefficient of the water level parameter and the desertification parameter; carrying out weight balance to obtain a balance relation matrix; time sequence deviation detection and stability verification are carried out, and an ecological change simulation framework is determined. According to the method, comprehensive analysis of complex ecological systems such as forests, grasslands, wetlands and deserts can be realized, and dynamic monitoring and protection are carried out.

The utility model relates to the technical field of forestry seedling cultivation equipment, and discloses a forestry seedling cultivation fixing device for desertification governance, which comprises a support mechanism and an irrigation mechanism mounted on one side of the support mechanism, one end of the irrigation mechanism is provided with a fixing mechanism, the irrigation mechanism comprises a hollow rod, and the hollow rod is fixedly connected with the support mechanism. An atomizing nozzle is mounted at one end of the hollow rod; the fixing mechanism comprises a fixing ring fixedly installed on the periphery of the hollow rod. A clamping mechanism is installed at one end of the fixing mechanism and comprises air bags fixedly installed in clamping blocks, a seedling is supported by the four vertically-arranged air bags, the supporting effect can be effectively achieved, the growth diameter of the root of the seedling is increased, the side walls of the air bags are compressed, and therefore the space for growth of the seedling is vacated; friction in the growth process of the seedlings is reduced, the atomizing nozzles are arranged between the two air bags, the seedlings can be irrigated, and desertification control is facilitated.

The invention discloses an intelligent irrigation and self-degradation rod device for desert sand prevention, control and stabilization, and belongs to the technical field of desertification control and ecological restoration engineering. The device is of an integrally formed structure and comprises an overground spiral rod and an underground water storage fermentation tank, the total length is 55 cm, and the diameter is 3 cm. The outer surface of the overground spiral rod is provided with three vortex type spiral sand blocking water flowing grooves used for blocking sand wind and collecting rainwater, and the collected rainwater is guided into the underground water storage fermentation tank through a water guide pipe. The device body is made of degradable composite materials and comprises 40% of agricultural and pastoral straw sawdust, 30% of coal gangue, 20% of organic clay and 10% of biological adhesive. An automatic drainage system based on the siphon principle is arranged in the water storage fermentation tank, and the functions of water collection, water storage and irrigation can be achieved without external power. The device can be completely degraded in a desert environment within 2-3 years, and soil nutrients are released. The device is standardized in structure, suitable for mechanical arrangement and used for desert soil improvement and ecological restoration.

The invention discloses an ecological carbon sink monitoring data processing method and system based on a photovoltaic desertification control mode, and relates to the technical field of image data processing. Collecting cleaning operation and maintenance records, and sorting the cleaning operation and maintenance records according to time to generate a cleaning event table; obtaining array layout data and a digital elevation map, and deducing coverage classification according to the digital elevation map to generate a cleaning influence area map; constructing a cleaning disturbance indication sequence based on the cleaning event table, the cleaning influence area graph and the earth surface feature original sequence; generating a purification weight map based on the cleaning influence area map and the cleaning disturbance indication sequence, and deducting cleaning disturbance components according to the purification weight map to obtain a surface feature purification sequence; obtaining a carbon sink increment evaluation result based on the surface feature purification sequence, the array layout data and the purification weight map; according to the method, accurate identification and quantitative deduction of cleaning disturbance of the photovoltaic power station can be realized, and real ecological changes and operation and maintenance artifacts are clearly distinguished.

The utility model relates to the technical field of desertification control equipment, and discloses a folding straw square automatic planting device which comprises a material box assembly, a folding guide planting assembly, a ditching assembly, a soil covering assembly, a movement assembly and a machine body. The material box assembly adopts a quick-release design and supports quick replacement; the folding guide planting assembly realizes accurate folding and accurate furrow entering of wheat straws through a V-shaped mold and a brush conveying belt; the ditching assembly is provided with a height-adjustable moldboard plow; the soil covering assembly compacts soil through a press wheel; and the movement assembly realizes full-process automation through a PLC (Programmable Logic Controller). The problems that traditional manual laying is low in efficiency and the grass grid structure is loose are solved, the wind prevention and sand fixation effects are remarkably improved, and the device is suitable for desertification control.